bpo-44740: Lowercase "internet" and "web" where appropriate. (GH-27378) (GH-27380)

Co-authored-by: Ɓukasz Langa <lukasz@langa.pl>
(cherry picked from commit 11749e2dc20ad6a76e9a39e948853e89b2b4bbed)

Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
diff --git a/Lib/idlelib/help.html b/Lib/idlelib/help.html
index 19041c6..2b1c2af 100644
--- a/Lib/idlelib/help.html
+++ b/Lib/idlelib/help.html
@@ -803,7 +803,7 @@
 <h3>Running without a subprocess<a class="headerlink" href="#running-without-a-subprocess" title="Permalink to this headline">¶</a></h3>
 <p>By default, IDLE executes user code in a separate subprocess via a socket,
 which uses the internal loopback interface.  This connection is not
-externally visible and no data is sent to or received from the Internet.
+externally visible and no data is sent to or received from the internet.
 If firewall software complains anyway, you can ignore it.</p>
 <p>If the attempt to make the socket connection fails, Idle will notify you.
 Such failures are sometimes transient, but if persistent, the problem